You are an urban planner assessing the growth of a city. Ten years ago, the city's population was 249,583. Its current populatio
2 answers:
Answer:
27.52%
Step-by-step explanation:
Given that an urban planner wants to assess the growth of a city
Population of the city before 10 years = 249583
Current population = 318270
Population grown =318270-249583 = 68687
Relative growth = growth/original population
Relative growth =
Percent growth = relative growth x100
Hence percent growth = 0.2752x100
27.52%
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Answer:
a) The coordinates of the missing vertex = (7, 8)
b) Area = 18 square units
Perimeter = 18 units
Step-by-step explanation:
a) We know three of the four vertices:
A: (4, 2) C ______ D(?)
B: (7, 2) | |
C: (4, 8) A |______| B
To find the coordinates of the missing vertex we need to calculate the distance in the x-direction from point A to point B:
Hence, the distance of point D from point C in the x-direction is:
Now, to find the coordinate in "y" we need to calculate the distance in the y-direction between point C and point A:
Then, the distance of point D from point B in the y-direction is:
Therefore, the coordinates of the missing vertex (point D) are:
b) The area of the rectangle is:
The perimeter is given by:
I hope it helps you!